103555900 has 36 divisors (see below), whose sum is σ = 256820368. Its totient is φ = 35504640.

The previous prime is 103555889. The next prime is 103555901. The reversal of 103555900 is 9555301.

It is a super-3 number, since 3×103555900³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103555901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73269 + ... + 74668.

Almost surely, 2^103555900 is an apocalyptic number.

103555900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103555900 is an abundant number, since it is smaller than the sum of its proper divisors (153264468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103555900 is a wasteful number, since it uses less digits than its factorization.

103555900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147958 (or 147951 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 103555900 is about 10176.2419389478. The cubic root of 103555900 is about 469.5966057351.

The spelling of 103555900 in words is "one hundred three million, five hundred fifty-five thousand, nine hundred".